Based on this product's specifications, here are some alternatives and similar models
Hygienic Underpad, 3-layer Waterproof Absorbent Pad, 5 pcs (No name BIB3288)
Summary description:
Disposable hygienic underpad with three layers and waterproof backing. Pack contains 5 absorbent pads designed for single-use protection of beds, chairs or changing surfaces. Provides barrier against liquids with a water-resistant underlayer and absorbent core for patient care, incontinence management, postpartum care and sanitary protection during procedures.